The MIL-DTL-38999 Series II connectors are designed for harsh environments, featuring up to 128 contacts within an environmentally sealed insert. With a wide operating temperature range from -65°C to 200°C, these connectors offer reliable performance in extreme conditions. Available in various mounting styles such as front and rear wall mount, jam nut, and box mount receptacles, they provide flexibility for different applications. Constructed with aluminum shells and offering multiple plating options including gold, electroless nickel, and cadmium finishes, these connectors ensure durability and conductivity. Certified for RoHS compliance, they meet stringent environmental standards. With removable crimp contacts and bayonet coupling, they are easy to install and maintain. Suitable for military and industrial use, the MIL-DTL-38999 Series II connectors are a reliable choice for demanding applications.